Your message dated Fri, 02 Oct 2015 12:34:00 +0000 with message-id <[email protected]> and subject line Bug#798625: fixed in systemd 226-4 has caused the Debian Bug report #798625, regarding systemd-networkd: Runs arbitrary inappropriate scripts on network changes to be marked as done.
This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the Bug report if necessary, and/or fix the problem forthwith. (NB: If you are a system administrator and have no idea what this message is talking about, this may indicate a serious mail system misconfiguration somewhere. Please contact [email protected] immediately.) -- 798625: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=798625 Debian Bug Tracking System Contact [email protected] with problems
--- Begin Message ---Package: systemd Version: 226-1 Severity: normal [Filing this as "normal" only because systemd-networkd is not yet normally used in Debian, and is not packaged separately; this is release-critical for systemd-networkd.] >From the changelog of 226-1: * Make networkd call if-up.d/ scripts when it brings up interfaces, to become compatible with ifupdown and NetworkManager for packages shipping hooks. (LP: #1492129) (Along with various other changes related to these hooks.) This is an *extremely* bad idea; please revert it before any package incorrectly starts to rely on it. And this should have been discussed on at least pkg-systemd-maintainers, if not systemd-devel, before being implemented. Several reasons why this is a bad idea: - networkd is intended to bring up interfaces *quickly*, on the order of microseconds (not milliseconds) even with DHCP, let alone without. Spawning arbitrary processes, and especially shell scripts, is not and will never be compatible with networkd's performance requirements. - These hooks don't exist upstream. Packages shipping if-up.d hooks are thus still broken anywhere other than Debian, and even *in* Debian they're broken with dynamic network configuration. Those package need fixing (upstream) to handle dynamic network configuration, and once they do, the Debian-specific hooks become obsolete. Allowing these hooks makes it less obvious that the packages themselves need fixing. - Network configuration can change at any time, and networkd is not stateful; state lives in the kernel, not in networkd. These hooks break that assumption. (This will also likely break with future changes to networkd and other packages integrating with it, as well as with other types of interfaces or virtual networks networkd can configure.) Among other things, as the systemd-networkd manpage documents, "Network configurations applied before networkd is started are not removed, and static configuration applied by networkd is not removed when networkd exits. Dynamic configuration applied by networkd may also optionally be left in place on shutdown. This ensures restarting networkd does not cut the network connection, and, in particular, that it is safe to transition between the initrd and the real root, and back." - Several of the existing if-up.d and if-post-down.d hooks should not run under networkd. Among others: wpasupplicant's hooks shouldn't run at all under anything but ifupdown, mountnfs's hooks shouldn't run (because they conflict with several other approaches to nfs handling that integrate properly with systemd), avahi-daemon's hook is responsible for numerous problems and slowdowns even under ifupdown, and wireless-tools' hook shouldn't run under anything but ifupdown. - Calling if-up.d and if-post-down.d, but not calling if-down.d or if-pre-up.d, may well break assumptions that a family of scripts in those directories have about when they'll be called and what state machine they'll go through. Packages shipping if-up.d or if-post-down.d scripts are not compatible with networkd. Primarily because they aren't compatible with dynamically changing network configurations, and secondarily because they tend to do the kind of really silly things that happen with arbitrary shell-script hooks available. This is not the right way to fix that problem. What specific problem is this trying to solve? If there are specific packages you're trying to fix or integrate with, perhaps we could talk about other solutions to work with those packages (including the possibility of writing patches to either those packages or networkd to improve such integration). - Josh Triplett -- Package-specific info: -- System Information: Debian Release: stretch/sid APT prefers unstable APT policy: (500, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 4.1.0-2-amd64 (SMP w/4 CPU cores) Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages systemd depends on: ii adduser 3.113+nmu3 ii libacl1 2.2.52-2 ii libapparmor1 2.9.2-3 ii libaudit1 1:2.4.4-1 ii libblkid1 2.27-1 ii libc6 2.19-19 ii libcap2 1:2.24-11 ii libcap2-bin 1:2.24-11 ii libcryptsetup4 2:1.6.6-5 ii libgcrypt20 1.6.3-2 ii libkmod2 21-1 ii liblzma5 5.1.1alpha+20120614-2.1 ii libmount1 2.27-1 ii libpam0g 1.1.8-3.1 ii libseccomp2 2.2.3-2 ii libselinux1 2.3-2+b1 ii libsystemd0 226-1 ii mount 2.27-1 ii sysv-rc 2.88dsf-59.2 ii udev 226-1 ii util-linux 2.27-1 Versions of packages systemd recommends: ii dbus 1.8.20-1 ii libpam-systemd 226-1 Versions of packages systemd suggests: pn systemd-container <none> pn systemd-ui <none> -- Configuration Files: /etc/X11/xinit/xinitrc.d/50-systemd-user.sh changed [not included] /etc/dbus-1/system.d/org.freedesktop.machine1.conf f739cc6d353cc7fea0d14b8f01ee9851 [Errno 2] No such file or directory: u'/etc/dbus-1/system.d/org.freedesktop.machine1.conf f739cc6d353cc7fea0d14b8f01ee9851' /etc/systemd/logind.conf changed [not included] -- no debconf information
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--- Begin Message ---Source: systemd Source-Version: 226-4 We believe that the bug you reported is fixed in the latest version of systemd, which is due to be installed in the Debian FTP archive. A summary of the changes between this version and the previous one is attached. Thank you for reporting the bug, which will now be closed. If you have further comments please address them to [email protected], and the maintainer will reopen the bug report if appropriate. Debian distribution maintenance software pp. Martin Pitt <[email protected]> (supplier of updated systemd package) (This message was generated automatically at their request; if you believe that there is a problem with it please contact the archive administrators by mailing [email protected]) -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Format: 1.8 Date: Fri, 02 Oct 2015 13:44:28 +0200 Source: systemd Binary: systemd systemd-sysv systemd-container systemd-journal-remote libpam-systemd libnss-myhostname libnss-mymachines libsystemd0 libsystemd-dev udev libudev1 libudev-dev udev-udeb libudev1-udeb systemd-dbg Architecture: source amd64 Version: 226-4 Distribution: unstable Urgency: medium Maintainer: Debian systemd Maintainers <[email protected]> Changed-By: Martin Pitt <[email protected]> Description: libnss-myhostname - nss module providing fallback resolution for the current hostname libnss-mymachines - nss module to resolve hostnames for local container instances libpam-systemd - system and service manager - PAM module libsystemd-dev - systemd utility library - development files libsystemd0 - systemd utility library libudev-dev - libudev development files libudev1 - libudev shared library libudev1-udeb - libudev shared library (udeb) systemd - system and service manager systemd-container - systemd container/nspawn tools systemd-dbg - system and service manager (debug symbols) systemd-journal-remote - tools for sending and receiving remote journal logs systemd-sysv - system and service manager - SysV links udev - /dev/ and hotplug management daemon udev-udeb - /dev/ and hotplug management daemon (udeb) Closes: 798625 Changes: systemd (226-4) unstable; urgency=medium . * debian/tests/logind: Be more verbose on failures. * Revert networkd calling if-{up,post-down}.d/ scripts. About half of the existing hooks are not relevant or even actively detrimental when running with networkd. For the relevant ones, a lot of them should be fixed in the projects themselves (using IP_FREEBIND etc.). (Closes: #798625) * Add systemd-networkd-resolvconf-update.{path,service} units to send DNS server updates from networkd to resolvconf, if installed and enabled. * Don't restart logind on upgrades any more. 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